* Client-Side Metrics Include
* Wiki: https://tiny.amazon.com/cpso0wg6
* Needs to be included at the top of pages because it tracks latency--
* ue_t0 needs to be as close to body load as possible.
* - ue.tag maps to URLType dimension of OnlineQueryLog in PMET. Because we cannot add
* custome data to other dimensions in PMET through CSM, we are replicating it thrice to
* cover each store, page type, and the intersections of the two.
* - Whitelists are listed in the usage guide:
*GASP!* *CHOKE!* It's back! The legendary EC Comics series returns with all-new stories from some of the top writers and artists in comics. Brought to you by those gruesome creeps, the Crypt Keeper, the Vault Keeper, and the Old Witch, these page-turning terrors are oozing with spooky thrills and eerie chills.